mirror of
https://github.com/GabsPuNs/Project-Zenith-Main.git
synced 2026-07-10 18:18:27 +00:00
105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
#include <RmlUi/Core/Variant.h>
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#include <RmlUi/Lua/Utilities.h>
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namespace Rml {
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namespace Lua {
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#if LUA_VERSION_NUM < 502
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void lua_len(lua_State* L, int i)
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{
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switch (lua_type(L, i))
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{
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case LUA_TSTRING: lua_pushnumber(L, (lua_Number)lua_objlen(L, i)); break;
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case LUA_TTABLE:
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if (!luaL_callmeta(L, i, "__len"))
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lua_pushnumber(L, (lua_Number)lua_objlen(L, i));
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break;
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case LUA_TUSERDATA:
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if (luaL_callmeta(L, i, "__len"))
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break;
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/* FALLTHROUGH */
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default: luaL_error(L, "attempt to get length of a %s value", lua_typename(L, lua_type(L, i)));
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}
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}
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lua_Integer luaL_len(lua_State* L, int i)
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{
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lua_Integer res = 0;
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int isnum = 0;
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luaL_checkstack(L, 1, "not enough stack slots");
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lua_len(L, i);
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res = lua_tointegerx(L, -1, &isnum);
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lua_pop(L, 1);
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if (!isnum)
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luaL_error(L, "object length is not an integer");
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return res;
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}
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#endif
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void PushVariant(lua_State* L, const Variant* var)
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{
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if (!var)
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{
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lua_pushnil(L);
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return;
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}
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switch (var->GetType())
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{
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case Variant::BOOL: lua_pushboolean(L, var->Get<bool>()); break;
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case Variant::BYTE:
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case Variant::CHAR:
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case Variant::INT: lua_pushinteger(L, var->Get<int>()); break;
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case Variant::INT64: lua_pushinteger(L, var->Get<int64_t>()); break;
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case Variant::UINT: lua_pushinteger(L, var->Get<unsigned int>()); break;
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case Variant::UINT64: lua_pushinteger(L, var->Get<uint64_t>()); break;
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case Variant::FLOAT:
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case Variant::DOUBLE: lua_pushnumber(L, var->Get<double>()); break;
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case Variant::COLOURB: LuaType<Colourb>::push(L, new Colourb(var->Get<Colourb>()), true); break;
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case Variant::COLOURF: LuaType<Colourf>::push(L, new Colourf(var->Get<Colourf>()), true); break;
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case Variant::STRING:
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{
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const String& s = var->GetReference<Rml::String>();
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lua_pushlstring(L, s.c_str(), s.length());
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}
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break;
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case Variant::VECTOR2:
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// according to Variant.inl, it is going to be a Vector2f
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LuaType<Vector2f>::push(L, new Vector2f(var->Get<Vector2f>()), true);
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break;
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case Variant::VOIDPTR: lua_pushlightuserdata(L, var->Get<void*>()); break;
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default: lua_pushnil(L); break;
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}
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}
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void GetVariant(lua_State* L, int index, Variant* variant)
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{
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if (!variant)
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return;
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switch (lua_type(L, index))
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{
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case LUA_TBOOLEAN: *variant = (bool)lua_toboolean(L, index); break;
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case LUA_TNUMBER: *variant = lua_tonumber(L, index); break;
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case LUA_TSTRING: *variant = Rml::String(lua_tostring(L, index)); break;
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case LUA_TLIGHTUSERDATA: *variant = lua_touserdata(L, index); break;
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case LUA_TNIL:
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default: // todo: support other types
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*variant = Variant();
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break;
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}
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}
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void PushIndex(lua_State* L, int index)
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{
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lua_pushinteger(L, index + 1);
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}
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int GetIndex(lua_State* L, int index)
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{
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return (int)luaL_checkinteger(L, index) - 1;
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}
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} // namespace Lua
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} // namespace Rml
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